(under the class definition) Processes wherein a plurality of solid carbonaceous materials are separately and simultaneously subjected to carbonizing conditions.
(1) Note. To come within the purview of this subclass a plurality of distinct carbonaceous charges are thermolytically treated substantially simultaneously in separate and distinct isolated zones.
SEE OR SEARCH CLASS
34, Drying and Gas or Vapor Contact With Solids,
113, for a combination of a plurality of interconnected rotating treating drums.
110, Furnaces,
208, for a plurality of interconnected furnaces in which the gases from one furnace are passed into an associated furnace. 202, Distillation: Apparatus,
113, for a plurality of retorts connected in series or parallel.
